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Is Observable broken in Angular 2 Beta 3?


By : , Category : typescript

Yes. There is small change in the module of map operator, Here is commit link

Before while importing rxjs operators, below is used

rxjs/add/operators/map 

now its changed to

rxjs/add/operator/map

Angular2 beta 2.0.3 Changelog.md

ReLated :

Did you try to import this:

import 'rxjs/add/operator/map';

See this issue for more details https://github.com/angular/angular/issues/5632

Hope it helps you, Thierry

You have to inject the DateSource factory object like this:

myApp.controller('AppController', ['$scope', 'DataSource', function($scope, DataSource) {
     ...
}]);

The first error can be solved if you add the modifier mutating before the extension func declaration like this:

mutating func someFunction(someString: String) {

I suspect that's a change in the language.

The other one puzzles me as well. At least, here's a work-around:

var c = someInstance.returnInterface()
c.someBool = true

Yes, in Angular 2.0 you have to include the operators/observables you need.

I do it like this:

import 'rxjs/operator/map';
import 'rxjs/operator/delay';
import 'rxjs/operator/mergeMap';
import 'rxjs/operator/switchMap';
import 'rxjs/observable/interval';
import 'rxjs/observable/forkJoin';
import 'rxjs/observable/fromEvent';

However, you also need to configure this in System.js

System.config({
            defaultJSExtensions: true,
            paths: {
                'rxjs/observable/*' : './node_modules/rxjs/add/observable/*.js',
                'rxjs/operator/*' : './node_modules/rxjs/add/operator/*.js',
                'rxjs/*' : './node_modules/rxjs/*.js'
            }
        });

Here is working code: https://github.com/thelgevold/angular-2-samples

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